Proceedings of the 5th International Congress on Interdisciplinary Behavior and Social Science (ICIBSoS 2016), 5-6 November 2016, Jogjakarta, Indonesia - Ford Lumban Gaol; Fonny Hutagalung; Chew Fong Peng; Zulkifli Isa; A.R. Rushdan (Taylor and Francis, 2017)